Multi-tier rack



FIG. 1 is a perspective view of a multi-tier rack, showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof, the right sideelevational view being a mirror image;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 2; and

FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 6.

The ornamental design for a multi-tier rack, as shown and described.